06-10-2019
Mathematics

contestada

Given that 3x + y = 0 and 2x - y = 5, find the value of y.

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06-10-2019

Answer:

3x + y = 0

x = -y/3

Now,

2x - y = 5

2 (-y/3) - y = 5

(-2y - 3y)/3 = 5

-5y/3 =5

y=-3

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